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Necrotic cell death and 'necrostatins': now we can control cellular explosion
Peter Vandenabeele1, Wim Declercq, Tom Vanden Berghe
1Molecular Signaling and Cell Death Unit, Department for Molecular Biomedical Research, VIB, Ghent, Belgium. Peter.Vandenabeele@dmbr.UGent.be
Trends in Biochemical Sciences
|July 19, 2008
Summary
Receptor-interacting protein 1 (RIP1) kinase activity drives necrotic cell death. New necrostatin drugs block this RIP1 activity, revealing necrosis as a controlled process and offering tools for disease research.
Area of Science:
- Cellular biology
- Molecular mechanisms of cell death
- Biochemistry
Background:
- Receptor-interacting protein 1 (RIP1) kinase is crucial for death-receptor-induced necrotic cell death.
- Necrostatin compounds have emerged as inhibitors of RIP1 kinase activity.
- This inhibition effectively blocks tumor necrosis factor-induced necrotic cell death.
Purpose of the Study:
- To explore the role of RIP1 kinase activity in programmed necrosis.
- To investigate the therapeutic potential of necrostatins in blocking necrotic cell death.
- To establish necrosis as a regulated cellular process comparable to apoptosis.
Main Methods:
- Utilizing necrostatin compounds to inhibit RIP1 kinase activity.
- Investigating the effects of RIP1 inhibition on tumor necrosis factor signaling pathways.
- Analyzing the contribution of necrotic cell death in experimental disease models.
Main Results:
- Necrostatin treatment successfully inhibited RIP1 kinase activity.
- This inhibition blocked tumor necrosis factor-induced necrotic cell death.
- The findings support the concept of receptor-induced necrosis as a controlled cellular mechanism.
Conclusions:
- RIP1 kinase activity is essential for initiating necrotic cell death.
- Necrostatins are effective inhibitors of RIP1 kinase, blocking necrosis.
- Necrosis is a regulated cellular process, and necrostatins are valuable tools for studying its role in diseases.
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